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20200317圆面积的扇形分割
Author:
陈敦莹
GeoGebra
New Resources
盈利與虧蝕
活动三：应用性质
第三周作业效果演示
科赫雪花
三角函数 的副本
Discover Resources
在釘點紙上畫垂直線
Geometry: Angles Sum of Triangle (幾何：三角形內角和)
Angle between line and plane
割补法
K1+k2
Discover Topics
Median Value
Logarithm
Rhombus
Circle
Difference and Slope